<template>
  <Dialog :title="dialogTitle" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="150px"
      v-loading="formLoading"
    >
      <el-form-item label="规则名称" prop="ruleName">
        <el-input v-model="formData.ruleName" placeholder="请输入规则名称" />
      </el-form-item>
      <el-form-item prop="contentLimitIpConfig.limitOpen">
        <template #label><label-tip message="cms.config.adminIpConfig.limitOpen" /></template>
        <el-select v-model="formData.contentLimitIpConfig.limitOpen">
          <el-option
            v-for="n in [0, 1]"
            :key="n"
            :value="n"
            :label="$t(`cms.config.other.ipLimitOpen.${n}`)"
          />
        </el-select>
      </el-form-item>
      <el-form-item prop="contentLimitIpConfig.ips">
        <template #label><label-tip message="cms.config.adminIpConfig.ips" help /></template>
        <el-input v-model="formData.contentLimitIpConfig.ips" @input="validateIP" />
      </el-form-item>、
      <el-form-item prop="contentLimitIpConfig.ipRanges">
        <template #label
          ><label-tip message="cms.config.adminIpConfig.ipRanges" help
        /></template>
        <XButton type="primary" :title="t('cms.common.addLine')" @click="handleAddLine()" />
        <el-divider />
        <el-row v-for="(ipItem, index) in formData.contentLimitIpConfig.ipRanges" :key="index">
          <el-col :span="16">
            <label-tip message="cms.config.adminIpConfig.ipRanges.from" /><el-input
              v-model="ipItem.from"
              @input="validateRangeIP(ipItem.from)"
            />
            <label-tip message="cms.config.adminIpConfig.ipRanges.to" />
            <el-input v-model="ipItem.to" @input="validateRangeIP(ipItem.to)" />
          </el-col>
          <XButton
            type="primary"
            :link="true"
            :title="t('action.del')"
            @click="handleDelLine(index)"
          />
        </el-row>
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script setup lang="ts">
import { IpRuleApi, IpRuleVO } from '@/api/cms/iprule'

/** IP访问规则 表单 */
defineOptions({ name: 'IpRuleForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
const formData = ref({
  id: undefined,
  ruleName: undefined,
  contentLimitIpConfig: {
    limitOpen: 0,
    ips: undefined,
    ipRanges: []
  },
})
const formRules = reactive({
  ruleName: [{ required: true, message: '规则名称不能为空', trigger: 'blur' }],
})
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()
  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      formData.value = await IpRuleApi.getIpRule(id)
    } finally {
      formLoading.value = false
    }
  }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  await formRef.value.validate()
  // 提交请求
  formLoading.value = true
  try {
    const data = formData.value as unknown as IpRuleVO
    if (formType.value === 'create') {
      await IpRuleApi.createIpRule(data)
      message.success(t('common.createSuccess'))
    } else {
      await IpRuleApi.updateIpRule(data)
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined,
    ruleName: undefined,
    contentLimitIpConfig: {
      limitOpen: 0,
      ips: undefined,
      ipRanges: []
    }
  }
  formRef.value?.resetFields()
}
const handleAddLine = () => {
  formData.value.contentLimitIpConfig.ipRanges.push({ from: '', to: '' })
}
const handleDelLine = (index) => {
  formData.value.contentLimitIpConfig.ipRanges.splice(
    formData.value.contentLimitIpConfig.ipRanges.findIndex((item) => item.index === index),
  )
}

const validateIP = () => {
  var iparr = formData.value.contentLimitIpConfig.ips.split(',')
  for (var i = 0; i < iparr.length; i++) {
    let ip = iparr[i]
    if (!isIP(ip)) {
      message.error(`ip只能填写ipv4 ${ip}`)
    }
  }
  formData.value.contentLimitIpConfig.ips = iparr
}
const validateRangeIP = (val) => {
  let ip = val
  if (!isIP(ip)) {
    message.error(`ip只能填写ipv4 ${ip}`)
  }
}
function isIP(str) {
  const ipRegex =
    /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/
  return ipRegex.test(str)
}
</script>
